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Sample rate change can cause spectrum inversion #1713

Description

@mossmann

What type of issue is this?

intermittent - occurring irregularly

What issue are you facing?

It is possible, though rare, for a sample rate change during streaming to result in spectrum inversion on HackRF One, presumably due to loss of I/Q synchronization in the CPLD.

This is a very old bug, probably going back to the start of the project. It likely affects all platforms other than Praline, though Praline has had similar bugs fixed recently. There is a chance that it does not affect HackRF One r9.

What are the steps to reproduce this?

Rapidly adjust a sample rate slider in a GNU Radio flowgraph.

Can you provide any logs? (output, errors, etc.)

No response

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